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A prevalent alpha-proteobacterium Paracoccus sp. in a population of the Cayenne ticks (Amblyomma cajennense) from Rio de Janeiro, Brazil Genet. Mol. Biol.
Machado-Ferreira,Erik; Piesman,Joseph; Zeidner,Nordin S; Soares,Carlos A.G.
As Rocky Mountain Spotted Fever is the most common tick-borne disease in South America, the presence of Rickettsia sp. in Amblyomma ticks is a possible indication of its endemicity in certain geographic regions. In the present work, bacterial DNA sequences related to Rickettsia amblyommii genes in A. dubitatum ticks, collected in the Brazilian state of Mato Grosso, were discovered. Simultaneously, Paracoccus sp. was detected in aproximately 77% of A. cajennense specimens collected in Rio de Janeiro, Brazil. This is the first report of Paracoccus sp. infection in a specific tick population, and raises the possibility of these bacteria being maintained and/or transmitted by ticks. Whether Paracoccus sp. represents another group of pathogenic Rhodobacteraceae...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Paracoccus; Rickettsia amblyommii; Amblyomma; Ixodidae ticks.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572012000500021
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Bacteria associated with Amblyomma cajennense tick eggs Genet. Mol. Biol.
Machado-Ferreira,Erik; Vizzoni,Vinicius Figueiredo; Piesman,Joseph; Gazeta,Gilberto Salles; Soares,Carlos Augusto Gomes.
Abstract Ticks represent a large group of pathogen vectors that blood feed on a diversity of hosts. In the Americas, the Ixodidae ticks Amblyomma cajennense are responsible for severe impact on livestock and public health. In the present work, we present the isolation and molecular identification of a group of culturable bacteria associated with A. cajennense eggs from females sampled in distinct geographical sites in southeastern Brazil. Additional comparative analysis of the culturable bacteria from Anocentor nitens, Rhipicephalus sanguineus and Ixodes scapularis tick eggs were also performed. 16S rRNA gene sequence analyses identified 17 different bacterial types identified as Serratia marcescens, Stenotrophomonas maltophilia, Pseudomonas fluorescens,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amblyomma cajennense; Tick eggs bacteria; Staphylococcus; Ixodidae.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572015000400477
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